package com.meilele.biz.zhengchao;

import com.meilele.dao.zhengchao.FourContentMapper;
import com.meilele.entity.zhengchao.FourContent;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service
public class ContentBiz {
    @Resource
    private FourContentMapper dao;
    public FourContent findByContentId(int contentId) {
        return dao.selectByPrimaryKey(contentId);
    }
}
